2007 BMW X3 vs. 2004 Audi A6
To start off, 2007 BMW X3 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 12 more horse power than 2004 Audi A6. (248 HP @ 5800 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2004 Audi A6.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Audi A6 (350 Nm @ 1800 RPM) has 45 more torque (in Nm) than 2007 BMW X3. (305 Nm @ 2750 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 2004 Audi A6 | |
| Make | BMW | Audi |
| Model | X3 | A6 |
| Year Released | 2007 | 2004 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 260 HP | 248 HP |
| Engine RPM | 6600 RPM | 5800 RPM |
| Torque | 305 Nm | 350 Nm |
| Torque RPM | 2750 RPM | 1800 RPM |
| Engine Bore Size | 85.1 mm | 81 mm |
| Engine Stroke Size | 87.9 mm | 86.4 mm |
| Engine Compression Ratio | 10.7:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 209 km/hour | 246 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
